![provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified - Microsoft Q&A provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified - Microsoft Q&A](https://learn.microsoft.com/api/attachments/39911-connectionopen-error.png?platform=QnA)
provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified - Microsoft Q&A
![connection - Unable to connect to SQL Server Error: 26 - Error Locating server/ Instance Specified - Stack Overflow connection - Unable to connect to SQL Server Error: 26 - Error Locating server/ Instance Specified - Stack Overflow](https://i.stack.imgur.com/o1kxb.png)
connection - Unable to connect to SQL Server Error: 26 - Error Locating server/ Instance Specified - Stack Overflow
Receiving "A network-related or instance specific error occurred while establishing a connection to SQL Server" [Error 26] when installing or updating to Venus 4.22
![asp.net - SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified - Stack Overflow asp.net - SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified - Stack Overflow](https://i.stack.imgur.com/LqvfS.jpg)
asp.net - SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified - Stack Overflow
![Unable to connect to the database: A network-related or instance-specific error occurred...SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified..." - BACKTRACK Error Message - Efficient Business Integrators - Support Unable to connect to the database: A network-related or instance-specific error occurred...SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified..." - BACKTRACK Error Message - Efficient Business Integrators - Support](http://support.efficientbi.com/wp-content/uploads/BACKTRACK-error-Unable-to-connect-to-a-database-A-nework-related-or-instance-specific-error-occured.jpg)
Unable to connect to the database: A network-related or instance-specific error occurred...SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified..." - BACKTRACK Error Message - Efficient Business Integrators - Support
![A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL](https://i0.wp.com/jbswiki.com/wp-content/uploads/2020/03/blog90_1.jpg?fit=628%2C521&ssl=1)